SMM151/152
AC OPERATING CHARACTERISTICS
T
A
= 0°C to +70°C, VDD = 2.7V to 5.5V unless otherwise noted. All voltages are relative to GND.
Symbol
t
ADC_DAC
Parameter
Monitor sampling/conversion period
Notes
Update period for ADC
conversion and DAC update
T
MARG_UPDATE
= (X)(1.8ms)
where:
X=step number of possible 256
steps and 1 step=10mV
Min.
Typ.
1.8
Max
Unit
ms
t
MARG_I/D
Margin single bit increment or
decrement time
Margin Up/Down glitch filter
1.8
ms
μs
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
ms
t
GLITCH_MU/D
70
100
0
10
20
40
130
t
GLITCH_COMP
Programmable COMP1 & COMP2
glitch filter times
80
100
120
140
2.5
5
t
MARGIN
Programmable Margin Delay Times
See Figure 4
10
17.5
Summit Microelectronics, Inc
2131 3.0 1/20/2010
8